install.php

这是php编的论坛的原代码

	),
	'mssql-odbc' =>	array(
		'LABEL'			=> 'MS SQL Server [ ODBC ]',
		'SCHEMA'		=> 'mssql', 
		'DELIM'			=> 'GO',
		'DELIM_BASIC'	=> ';',
		'COMMENTS'		=> 'remove_comments'
	)
);

// Obtain various vars
$confirm = (isset($HTTP_POST_VARS['confirm'])) ? true : false;
$cancel = (isset($HTTP_POST_VARS['cancel'])) ? true : false;

if (isset($HTTP_POST_VARS['install_step']) || isset($HTTP_GET_VARS['install_step']))
{
	$install_step = (isset($HTTP_POST_VARS['install_step'])) ? $HTTP_POST_VARS['install_step'] : $HTTP_GET_VARS['install_step'];
}
else
{
	$install_step = '';
}

$upgrade = (!empty($HTTP_POST_VARS['upgrade'])) ? $HTTP_POST_VARS['upgrade']: '';
$upgrade_now = (!empty($HTTP_POST_VARS['upgrade_now'])) ? $HTTP_POST_VARS['upgrade_now']:'';

$dbms = isset($HTTP_POST_VARS['dbms']) ? $HTTP_POST_VARS['dbms'] : '';

$dbhost = (!empty($HTTP_POST_VARS['dbhost'])) ? $HTTP_POST_VARS['dbhost'] : '';
$dbuser = (!empty($HTTP_POST_VARS['dbuser'])) ? $HTTP_POST_VARS['dbuser'] : '';
$dbpasswd = (!empty($HTTP_POST_VARS['dbpasswd'])) ? $HTTP_POST_VARS['dbpasswd'] : '';
$dbname = (!empty($HTTP_POST_VARS['dbname'])) ? $HTTP_POST_VARS['dbname'] : '';

$table_prefix = (!empty($HTTP_POST_VARS['prefix'])) ? $HTTP_POST_VARS['prefix'] : '';

$admin_name = (!empty($HTTP_POST_VARS['admin_name'])) ? $HTTP_POST_VARS['admin_name'] : '';
$admin_pass1 = (!empty($HTTP_POST_VARS['admin_pass1'])) ? $HTTP_POST_VARS['admin_pass1'] : '';
$admin_pass2 = (!empty($HTTP_POST_VARS['admin_pass2'])) ? $HTTP_POST_VARS['admin_pass2'] : '';

$ftp_path = (!empty($HTTP_POST_VARS['ftp_path'])) ? $HTTP_POST_VARS['ftp_path'] : '';
$ftp_user = (!empty($HTTP_POST_VARS['ftp_user'])) ? $HTTP_POST_VARS['ftp_user'] : '';
$ftp_pass = (!empty($HTTP_POST_VARS['ftp_pass'])) ? $HTTP_POST_VARS['ftp_pass'] : '';

if (isset($HTTP_POST_VARS['lang']) && preg_match('#^[a-z_]+$#', $HTTP_POST_VARS['lang']))
{
	$language = strip_tags($HTTP_POST_VARS['lang']);
}
else
{
	$language = guess_lang();
}

$board_email = (!empty($HTTP_POST_VARS['board_email'])) ? $HTTP_POST_VARS['board_email'] : '';
$script_path = (!empty($HTTP_POST_VARS['script_path'])) ? $HTTP_POST_VARS['script_path'] : str_replace('install', '', dirname($HTTP_SERVER_VARS['PHP_SELF']));

if (!empty($HTTP_POST_VARS['server_name']))
{
	$server_name = $HTTP_POST_VARS['server_name'];
}
else
{
	// Guess at some basic info used for install..
	if (!empty($HTTP_SERVER_VARS['SERVER_NAME']) || !empty($HTTP_ENV_VARS['SERVER_NAME']))
	{
		$server_name = (!empty($HTTP_SERVER_VARS['SERVER_NAME'])) ? $HTTP_SERVER_VARS['SERVER_NAME'] : $HTTP_ENV_VARS['SERVER_NAME'];
	}
	else if (!empty($HTTP_SERVER_VARS['HTTP_HOST']) || !empty($HTTP_ENV_VARS['HTTP_HOST']))
	{
		$server_name = (!empty($HTTP_SERVER_VARS['HTTP_HOST'])) ? $HTTP_SERVER_VARS['HTTP_HOST'] : $HTTP_ENV_VARS['HTTP_HOST'];
	}
	else
	{
		$server_name = '';
	}
}

if (!empty($HTTP_POST_VARS['server_port']))
{
	$server_port = $HTTP_POST_VARS['server_port'];
}
else
{
	if (!empty($HTTP_SERVER_VARS['SERVER_PORT']) || !empty($HTTP_ENV_VARS['SERVER_PORT']))
	{
		$server_port = (!empty($HTTP_SERVER_VARS['SERVER_PORT'])) ? $HTTP_SERVER_VARS['SERVER_PORT'] : $HTTP_ENV_VARS['SERVER_PORT'];
	}
	else
	{
		$server_port = '80';
	}
}

// Open config.php ... if it exists
if (@file_exists(@phpbb_realpath('config.'.$phpEx)))
{
	include($phpbb_root_path.'config.'.$phpEx);
}

// Is phpBB already installed? Yes? Redirect to the index
if (defined("PHPBB_INSTALLED"))
{
	redirect('index.'.$phpEx);
}

// Import language file, setup template ...
include($phpbb_root_path.'language/lang_' . $language . '/lang_main.'.$phpEx);
include($phpbb_root_path.'language/lang_' . $language . '/lang_admin.'.$phpEx);

// Ok for the time being I'm commenting this out whilst I'm working on
// better integration of the install with upgrade as per Bart's request
// JLH
if ($upgrade == 1)
{
	// require('upgrade.'.$phpEx);
	$install_step = 1;
}

// What do we need to do?
if (!empty($HTTP_POST_VARS['send_file']) && $HTTP_POST_VARS['send_file'] == 1 && empty($HTTP_POST_VARS['upgrade_now']))
{
	header('Content-Type: text/x-delimtext; name="config.' . $phpEx . '"');
	header('Content-disposition: attachment; filename=config.' . $phpEx . '"');

	// We need to stripslashes no matter what the setting of magic_quotes_gpc is
	// because we add slashes at the top if its off, and they are added automaticlly 
	// if it is on.
	echo stripslashes($HTTP_POST_VARS['config_data']);

	exit;
}
else if (!empty($HTTP_POST_VARS['send_file']) && $HTTP_POST_VARS['send_file'] == 2)
{
	$s_hidden_fields = '<input type="hidden" name="config_data" value="' . htmlspecialchars(stripslashes($HTTP_POST_VARS['config_data'])) . '" />';
	$s_hidden_fields .= '<input type="hidden" name="ftp_file" value="1" />';

	if ($upgrade == 1)
	{
		$s_hidden_fields .= '<input type="hidden" name="upgrade" value="1" />';
	}

	page_header($lang['ftp_instructs']);

?>
					<tr>
						<th colspan="2"><?php echo $lang['ftp_info']; ?></th>
					</tr>
					<tr>
						<td class="row1" align="right"><span class="gen"><?php echo $lang['ftp_path']; ?></span></td>
						<td class="row2"><input type="text" name="ftp_dir"></td>
					</tr>
					<tr>
						<td class="row1" align="right"><span class="gen"><?php echo $lang['ftp_password']; ?></span></td>
						<td class="row2"><input type="text" name="ftp_user"></td>
					</tr>
					<tr>
						<td class="row1" align="right"><span class="gen"><?php echo $lang['ftp_username']; ?></span></td>
						<td class="row2"><input type="password" name="ftp_pass"></td>
					</tr>
<?php

	page_common_form($s_hidden_fields, $lang['Transfer_config']);
	page_footer();
	exit;

}
else if (!empty($HTTP_POST_VARS['ftp_file']))
{
	// Try to connect ...
	$conn_id = @ftp_connect('localhost');
	$login_result = @ftp_login($conn_id, "$ftp_user", "$ftp_pass");

	if (!$conn_id || !$login_result)
	{
		page_header($lang['NoFTP_config']);

		// Error couldn't get connected... Go back to option to send file...
		$s_hidden_fields = '<input type="hidden" name="config_data" value="' . htmlspecialchars(stripslashes($HTTP_POST_VARS['config_data'])) . '" />';
		$s_hidden_fields .= '<input type="hidden" name="send_file" value="1" />';

		// If we're upgrading ...
		if ($upgrade == 1)
		{
			$s_hidden_fields .= '<input type="hidden" name="upgrade" value="1" />';
			$s_hidden_fields .= '<input type="hidden" name="dbms" value="'.$dmbs.'" />';
			$s_hidden_fields .= '<input type="hidden" name="prefix" value="'.$table_prefix.'" />';
			$s_hidden_fields .= '<input type="hidden" name="dbhost" value="'.$dbhost.'" />';
			$s_hidden_fields .= '<input type="hidden" name="dbname" value="'.$dbname.'" />';
			$s_hidden_fields .= '<input type="hidden" name="dbuser" value="'.$dbuser.'" />';
			$s_hidden_fields .= '<input type="hidden" name="dbpasswd" value="'.$dbpasswd.'" />';
			$s_hidden_fields .= '<input type="hidden" name="install_step" value="1" />';
			$s_hidden_fields .= '<input type="hidden" name="admin_pass1" value="1" />';
			$s_hidden_fields .= '<input type="hidden" name="admin_pass2" value="1" />';
			$s_hidden_fields .= '<input type="hidden" name="server_port" value="'.$server_port.'" />';
			$s_hidden_fields .= '<input type="hidden" name="server_name" value="'.$server_name.'" />';
			$s_hidden_fields .= '<input type="hidden" name="script_path" value="'.$script_path.'" />';
			$s_hidden_fields .= '<input type="hidden" name="board_email" value="'.$board_email.'" />';

			page_upgrade_form();
		}
		else
		{
			page_common_form($s_hidden_fields, $lang['Download_config']);

		}

		page_footer();
		exit;
	}
	else
	{
		// Write out a temp file...
		$tmpfname = @tempnam('/tmp', 'cfg');

		@unlink($tmpfname); // unlink for safety on php4.0.3+

		$fp = @fopen($tmpfname, 'w');

		@fwrite($fp, stripslashes($HTTP_POST_VARS['config_data']));

		@fclose($fp);

		// Now ftp it across.
		@ftp_chdir($conn_id, $ftp_dir);

		$res = ftp_put($conn_id, 'config.'.$phpEx, $tmpfname, FTP_ASCII);

		@ftp_quit($conn_id);

		unlink($tmpfname);

		if ($upgrade == 1)	
		{
			require('upgrade.'.$phpEx);
			exit;
		}

		// Ok we are basically done with the install process let's go on 
		// and let the user configure their board now. We are going to do 
		// this by calling the admin_board.php from the normal board admin
		// section.
		$s_hidden_fields = '<input type="hidden" name="username" value="' . $admin_name . '" />';
		$s_hidden_fields .= '<input type="hidden" name="password" value="' . $admin_pass1 . '" />';
		$s_hidden_fields .= '<input type="hidden" name="redirect" value="../admin/index.'.$phpEx.'" />';
		$s_hidden_fields .= '<input type="hidden" name="submit" value="' . $lang['Login'] . '" />';

		page_header($lang['Inst_Step_2']);
		page_common_form($s_hidden_fields, $lang['Finish_Install']);
		page_footer();
		exit();
	}
}
else if ((empty($install_step) || $admin_pass1 != $admin_pass2 || empty($admin_pass1) || empty($dbhost)))
{
	// Ok we haven't installed before so lets work our way through the various
	// steps of the install process.  This could turn out to be quite a lengty 
	// process.

	// Step 0 gather the pertinant info for database setup...
	// Namely dbms, dbhost, dbname, dbuser, and dbpasswd.
	$instruction_text = $lang['Inst_Step_0'];
	if (!empty($install_step))
	{
		if ((($HTTP_POST_VARS['admin_pass1'] != $HTTP_POST_VARS['admin_pass2'])) ||
			(empty($HTTP_POST_VARS['admin_pass1']) || empty($dbhost)) && $HTTP_POST_VARS['cur_lang'] == $language)
		{
			$error = $lang['Password_mismatch'];
		}
	}

	$dirname = $phpbb_root_path . 'language';
	$dir = opendir($dirname);

	$lang_options = array();
	while ($file = readdir($dir))
	{
		if (preg_match('#^lang_#i', $file) && !is_file(@phpbb_realpath($dirname . '/' . $file)) && !is_link(@phpbb_realpath($dirname . '/' . $file)))
		{
			$filename = trim(str_replace('lang_', '', $file));
			$displayname = preg_replace('/^(.*?)_(.*)$/', '\1 [ \2 ]', $filename);
			$displayname = preg_replace('/\[(.*?)_(.*)\]/', '[ \1 - \2 ]', $displayname);
			$lang_options[$displayname] = $filename;
		}
	}

	closedir($dir);

	@asort($lang_options);
	@reset($lang_options);

	$lang_select = '<select name="lang" onchange="this.form.submit()">';
	while (list($displayname, $filename) = @each($lang_options))
	{
		$selected = ($language == $filename) ? ' selected="selected"' : '';
		$lang_select .= '<option value="' . $filename . '"' . $selected . '>' . ucwords($displayname) . '</option>';
	}
	$lang_select .= '</select>';

	$dbms_select = '<select name="dbms" onchange="if(this.form.upgrade.options[this.form.upgrade.selectedIndex].value == 1){ this.selectedIndex = 0;}">';
	while (list($dbms_name, $details) = @each($available_dbms))
	{
		$selected = ($dbms_name == $dbms) ? 'selected="selected"' : '';
		$dbms_select .= '<option value="' . $dbms_name . '">' . $details['LABEL'] . '</option>';
	}
	$dbms_select .= '</select>';

	$upgrade_option = '<select name="upgrade"';
	$upgrade_option .= 'onchange="if (this.options[this.selectedIndex].value == 1) { this.form.dbms.selectedIndex = 0; }">';
	$upgrade_option .= '<option value="0">' . $lang['Install'] . '</option>';
	$upgrade_option .= '<option value="1">' . $lang['Upgrade'] . '</option></select>';
	
	$s_hidden_fields = '<input type="hidden" name="install_step" value="1" /><input type="hidden" name="cur_lang" value="' . $language . '" />';

	page_header($instruction_text);

?>
					<tr>
						<th colspan="2"><?php echo $lang['Initial_config']; ?></th>
					</tr>
					<tr>
						<td class="row1" align="right" width="30%"><span class="gen"><?php echo $lang['Default_lang']; ?>: </span></td>
						<td class="row2"><?php echo $lang_select; ?></td>
					</tr>
					<tr>
						<td class="row1" align="right"><span class="gen"><?php echo $lang['dbms']; ?>: </span></td>
						<td class="row2"><?php echo $dbms_select; ?></td>
					</tr>
					<tr>
						<td class="row1" align="right"><span class="gen"><?php echo $lang['Install_Method']; ?>:</span></td>
						<td class="row2"><?php echo $upgrade_option; ?></td>
					</tr>
					<tr>
						<th colspan="2"><?php echo $lang['DB_config']; ?></th>
					</tr>
					<tr>
						<td class="row1" align="right"><span class="gen"><?php echo $lang['DB_Host']; ?>: </span></td>
						<td class="row2"><input type="text" name="dbhost" value="<?php echo ($dbhost != '') ? $dbhost : ''; ?>" /></td>
					</tr>
					<tr>
						<td class="row1" align="right"><span class="gen"><?php echo $lang['DB_Name']; ?>: </span></td>
						<td class="row2"><input type="text" name="dbname" value="<?php echo ($dbname != '') ? $dbname : ''; ?>" /></td>
					</tr>
					<tr>
						<td class="row1" align="right"><span class="gen"><?php echo $lang['DB_Username']; ?>: </span></td>
						<td class="row2"><input type="text" name="dbuser" value="<?php echo ($dbuser != '') ? $dbuser : ''; ?>" /></td>